Operating System: macOS is the operating system that powers everything you do on a Mac. macOS Sierra introduces Siri to Mac4 - along with new ways to enjoy your photos, shop more securely online and work more seamlessly between devices.

Accessibility: Accessibility features help people with disabilities get the most out of their new MacBook Pro. With built-in support for vision, hearing, physical and motor skills, and learning and literacy, you can create and do amazing things. Features include, VoiceOver, Zoom, Increase Contrast, Reduce Motion, Siri and Dictation, Switch Control, Closed Captions, Text to Speech